CN106225763A - Mine intrinsic safety type transient electromagnetic antenna attitude angle measurement system and method - Google Patents
Mine intrinsic safety type transient electromagnetic antenna attitude angle measurement system and method Download PDFInfo
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- CN106225763A CN106225763A CN201610737781.1A CN201610737781A CN106225763A CN 106225763 A CN106225763 A CN 106225763A CN 201610737781 A CN201610737781 A CN 201610737781A CN 106225763 A CN106225763 A CN 106225763A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
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Abstract
The invention discloses a mine intrinsic safety type transient electromagnetic antenna attitude angle measuring system and a method, wherein the mine intrinsic safety type transient electromagnetic antenna attitude angle measuring system comprises a three-dimensional electronic compass, a control panel, a display and a power panel; the method is characterized in that: the three-dimensional electronic compass is provided with a three-component acceleration sensor and a geomagnetic sensor; the three-dimensional electronic compass is used for measuring the azimuth angle and the pitch angle of the intrinsic safety type transient electromagnetic antenna through the three-component acceleration sensor and the geomagnetic sensor, converting measured analog signals into digital signals and sending the digital signals to the control panel; the control panel controls the three-dimensional electronic compass to measure the azimuth angle and the pitch angle of the transient electromagnetic antenna, and simultaneously stores and processes the measurement data sent by the three-dimensional electronic compass to obtain the azimuth angle and the pitch angle of the transient electromagnetic antenna; the invention can automatically measure the attitude angle of the antenna, is convenient to use and can be widely applied to the fields of coal mines and the like.
Description
Technical field:
The present invention relates to transient electromagnetic antenna attitude angle measuring system and method, be specifically related to mine intrinsic safety type transient electromagnetic
Antenna attitude angle measuring system and method.
Technical background:
In the transient electromagnetic detecting of down-hole, the attitude angle of antenna in detection process is accurately measured, is to ensure that hidden
Cover the abnormal key carrying out accurately detecting of the low-resistances such as water damage.Attitude angle includes azimuth and the angle of pitch etc..If at antenna attitude
Angular measurement is inaccurate, then can cause becoming in figure at later stage apparent resistivity, and deviation occurs in abnormal position, and then causes follow-up spy to be put
Brill cannot get to accurate location.
Mainly there are range estimation and tilt gauge to measure at present to antenna attitude angular measurement in the transient electromagnetic detecting of down-hole.Owing to being not required to
Carrying any equipment, ocular estimate is widely used in the transient electromagnetic detecting of down-hole, but the method error is big, is not suitable for well
Lower transient electromagnetic accurately detects；Use tilt gauge that transient electromagnetic antenna attitude angle, down-hole is measured, need in each detection
Direction, aerial angle is measured by manual operation tilt gauge, and cannot measure in real time, uses very inconvenient, therefore down-hole
Use less during detection.
Summary of the invention:
The technical problem to be solved be to provide mine intrinsic safety type transient electromagnetic antenna attitude angle measuring system and
Method.
In order to solve the problems referred to above, the technical scheme is that, mine intrinsic safety type transient electromagnetic antenna attitude angular measurement system
System, including three-dimensional electronic compass, panel, display and power panel；It is characterized in:
Described three-dimensional electronic compass is provided with Three-component accelerometer and geomagnetic sensor；Described three-dimensional electronic sieve
Dish is for by Three-component accelerometer and geomagnetic sensor, azimuth and the angle of pitch to intrinsic safety type transient electromagnetic antenna
Measure, by measurement to analogue signal be converted into digital signal and be sent to panel；
Described panel controls three-dimensional electronic compass and measures azimuth and the angle of pitch of transient electromagnetic antenna, simultaneously to three
The measurement data that dimension electronic compass sends stores and processes, and obtains azimuth and the angle of pitch of transient electromagnetic antenna；
Described display is for showing azimuth and the pitch angle data of transient electromagnetic antenna；
Described power panel, for providing supply voltage for circuit system, carries out safety protection to circuit system simultaneously.
The present invention measures technology and magnetic survey technology combination mode based on three axle acceleration of gravitys, calculates transient electromagnetic
Antenna attitude angle.Certainty of measurement is high, and the time of measuring is short, easy and simple to handle, by panel attitude angle signal processed and on
After biography, being shown in real time by display screen so that during the transient electromagnetic detecting of down-hole, instrument operator can understand sky in real time
Line attitude angle information, improves the accuracy of detection, is suitable for the practical situation of China's coal-mine district hidden water damage accurately detecting, adopts simultaneously
With the two grades of intrinsic safety type protective currents meeting 2B standard, system is protected, meet " safety regulations in coal mine " and " colliery prevents and treats
Water specifies " requirement.
According to the preferred version of mine intrinsic safety type transient electromagnetic antenna attitude angle measuring system of the present invention, described control
Making sheet includes reset circuit, three-component electronic compass interface circuit, single chip machine controlling circuit, sequential control circuit and LCD interface
Circuit；Described three-component electronic compass is connected with three-component electronic compass interface circuit and carries out duplex communication, three-component electronics sieve
Azimuth that three-component electronic compass is transmitted by dish interface circuit and the digital data transmission of the angle of pitch are to Single-chip Controlling
Circuit；The digital signal received is processed and stores by single chip machine controlling circuit 8, and carries out point-to-point with sequential control circuit
It is connected；Sequential control circuit carries out sequencing contro and data transmission to display；It is a little right that sequential control circuit and LCD interface are carried out
Point connects；The transient electromagnetic azimuth processed and angle of pitch signal are transferred to display and show in real time by LCD interface circuit
Show；Monolithic processor resetting signal is sent to single chip machine controlling circuit by reset circuit；Meanwhile, after antenna initial angle sets,
Attitude angle initial angle is arranged signal and is sent to single chip machine controlling circuit by reset circuit.
Second technical scheme of the present invention is: utilize mine intrinsic safety type transient electromagnetic antenna attitude angle measuring system to measure
The method at transient electromagnetic antenna attitude angle, is characterized in: comprise the steps:
The first step: open down-hole transient electromagnetic antenna attitude and measure system power supply；
Second step: panel sends measurement instruction from trend three-dimensional electronic compass,
3rd step: three axle gravitational accelerometer in three-dimensional electronic compass measure the angle of pitch that transient electromagnetic antenna is current,
In three-dimensional electronic compass geomagnetic sensor measure the current azimuth of transient electromagnetic antenna, measurement is arrived by three-dimensional electronic compass
Analogue signal be converted into digital signal and be sent to panel, this azimuth and angle of pitch information are processed and deposit by panel
Chu Hou, is then forwarded to display, and present orientation angle and the angle of pitch are shown by display；
4th step: the inceptive direction specified by tested rotating platform to transient electromagnetic detecting, utilizes the ground in three-dimensional electronic compass
Magnetic Sensor measures the azimuth of transient electromagnetic antenna inceptive direction, and by measurement to analogue signal be converted into digital signal and send out
Giving panel, panel record azimuth this moment is initial orientation angle；
5th step: by transient electromagnetic tested rotating platform to detection assigned direction, three axle gravity in three-dimensional electronic compass accelerate
The angle of pitch that degree measurement amount transient electromagnetic antenna is current, the geomagnetic sensor in three-dimensional electronic compass is measured transient electromagnetic antenna and is worked as
Before azimuth, three-dimensional electronic compass by measurement to analogue signal be converted into digital signal and be sent to panel, panel will
The azimuth this moment recorded deducts initial orientation angle, then obtain the azimuth of the transient electromagnetic antenna of this detection assigned direction, control
Transient electromagnetic antenna after the azimuth of detection assigned direction and the angle of pitch store, is then forwarded to display by making sheet.
Mine intrinsic safety type transient electromagnetic antenna attitude angle measuring system of the present invention and method provide the benefit that: this
Invention effectively prevent artificial detecting error；Certainty of measurement is high, and the time of measuring is short, easy and simple to handle, low cost, it is possible to antenna appearance
State angle is measured automatically, is shown in real time by display screen so that during the transient electromagnetic detecting of down-hole, instrument operator energy
Enough understanding antenna attitude angle informations in real time, improve the accuracy of detection, are suitable for the reality of China's coal-mine district hidden water damage accurately detecting
Border situation, meets " safety regulations in coal mine " and " mine geological hazards regulation " requirement；Power supply uses two grades of intrinsic safety type protection circuits, right
System power supply is protected so that system meets " safety regulations in coal mine ", can safety work under the hazardous environment of down-hole, reach
2B standard；Therefore, present invention accomplishes industry requirement, fill up the market vacancy, the effective guarantee life of underground work personnel
Safety, can be widely applied to the fields such as colliery.
Accompanying drawing explanation
Fig. 1 is mine intrinsic safety type transient electromagnetic antenna attitude angle measuring system schematic diagram of the present invention.
Fig. 2 is transient electromagnetic antenna elevation angle test philosophy figure of the present invention.
Fig. 3 is transient electromagnetic antenna azimuth test philosophy figure of the present invention.
Fig. 4 is panel theory diagram of the present invention.
Fig. 5 is the wherein first class of protection schematic block circuit diagram of power panel of the present invention.
Fig. 6 is the method flow block diagram that the present invention measures transient electromagnetic antenna attitude angle.
Detailed description of the invention
Seeing Fig. 1 and Fig. 4, mine intrinsic safety type transient electromagnetic antenna attitude angle measuring system, including including three-dimensional electronic sieve
Dish 1, panel 2, display 3 and power panel 4；Wherein:
Described three-dimensional electronic compass 1 is provided with Three-component accelerometer and geomagnetic sensor；Described three-dimensional electronic
Compass 1 is for by Three-component accelerometer and geomagnetic sensor, to the azimuth of intrinsic safety type transient electromagnetic antenna with bow
The elevation angle measures, by measurement to analogue signal be converted into digital signal and be sent to panel 2；
Described panel 2 controls three-dimensional electronic compass and measures azimuth and the angle of pitch of transient electromagnetic antenna, the most right
The measurement data that three-dimensional electronic compass 1 sends stores and processes；Described display 3 is for azimuthal and pitch angle data
Show；
Described power panel 4, for providing supply voltage for circuit system, carries out safety protection to circuit system simultaneously.
In a particular embodiment, described panel 2 includes reset circuit 6, three-component electronic compass interface circuit 7, monolithic
Machine control circuit 8, sequential control circuit 9 and LCD interface circuit 10；Described three-component electronic compass 1 is by cable and panel 2
In three-component electronic compass interface circuit 7 connect carry out duplex communication, three-component electronic compass interface circuit 7 by three-component electricity
Azimuth that sub-compass transmits and the digital data transmission of the angle of pitch are to single chip machine controlling circuit 8；Single chip machine controlling circuit 8
The digital signal received is processed and stores, and carries out point-to-point being connected with sequential control circuit 9；Sequential control circuit 9
Display 3 is carried out sequencing contro and data transmission；Sequential control circuit 9 and LCD interface 10 carry out point-to-point connection；LCD connects
The transient electromagnetic azimuth processed and angle of pitch signal are transferred to display 3 and show in real time by mouth circuit 10；Reset electricity
Monolithic processor resetting signal is sent to single chip machine controlling circuit 8 by road 6；Meanwhile, after antenna initial angle sets, reset circuit
Attitude angle initial angle is arranged signal and is sent to single chip machine controlling circuit 8.
See Fig. 6, the method for mine intrinsic safety type transient electromagnetic antenna attitude angular measurement, comprise the steps:
The first step: open down-hole transient electromagnetic antenna attitude and measure system power supply；
Second step: panel sends measurement instruction from trend three-dimensional electronic compass,
3rd step: three axle gravitational accelerometer in three-dimensional electronic compass measure the angle of pitch that transient electromagnetic antenna is current,
Geomagnetic sensor in three-dimensional electronic compass measures the azimuth that transient electromagnetic antenna is current, and measurement is arrived by three-dimensional electronic compass
Analogue signal is converted into digital signal and is sent to panel 2, and this azimuth and angle of pitch information are processed and deposit by panel
Chu Hou, is then forwarded to display, and current transient electromagnetism azimuth and the angle of pitch are shown by display；
4th step: the inceptive direction specified by tested rotating platform to transient electromagnetic detecting, utilizes the ground in three-dimensional electronic compass
Magnetic Sensor measures the azimuth of transient electromagnetic antenna inceptive direction, and by measurement to analogue signal be converted into digital signal and send out
Giving panel 2, it is initial orientation angle that panel 2 records azimuth this moment；
5th step: by transient electromagnetic tested rotating platform to detection assigned direction, three axle gravity in three-dimensional electronic compass accelerate
The angle of pitch that degree measurement amount transient electromagnetic antenna is current, the geomagnetic sensor in three-dimensional electronic compass is measured transient electromagnetic antenna and is worked as
Before azimuth, three-dimensional electronic compass by measurement to analogue signal be converted into digital signal and be sent to panel 2, panel 2
The azimuth this moment recorded is deducted initial orientation angle, then obtains the azimuth of the transient electromagnetic antenna of this detection assigned direction,
Transient electromagnetic antenna after the azimuth of detection assigned direction and the angle of pitch store, is then forwarded to display by panel 2.
In being embodied as example, described three-component electronic compass measures sensor as transient electromagnetic antenna attitude.Its
Operation principle is, with reference to Fig. 2, utilizes three axle gravitational accelerometer in three-component electronic compass, carries out the angle of pitch of antenna
Measure.Owing to gravity direction is held essentially constant in same job location, hence with gravity triaxial accelerometer self X Y Z
Vector projection size in coordinate system, i.e. can calculate gravity direction, so calculate transient electromagnetic antenna detection direction with
The angle of the gravity direction i.e. angle of pitch.
Utilize the geomagnetic sensor in three-component electronic compass, the azimuth of antenna is measured.Reference Fig. 3, due to
Magnetic north direction is held essentially constant in same job location, can measure earth's magnetic field on ground hence with geomagnetic sensor
Magnetic Sensor self X Y vector projection size on Z coordinate system, the direction of magnetic north can be calculated, and then calculate wink
The angle of power transformation magnetic antenna detection direction and magnetic north, due to the inceptive direction that arranges in detection with the angle of magnetic north
Constant, therefore by correction, and then the angle i.e. azimuth of transient electromagnetic antenna detection direction and inceptive direction can be calculated.
If inceptive direction is θ with the horizontal sextant angle in magnetic north direction1, antenna detection direction and magnetic north horizontal direction angle are θ2,
Antenna direction and inceptive direction horizontal sextant angle i.e. transient electromagnetic antenna azimuth are θ3, generally set at the beginning of Zuo Bangyu in actual detection
Beginning direction horizontal sextant angle is negative angle, if right side and inceptive direction horizontal sextant angle are positive-angle, then: θ3=θ2-θ1。
The attitude angle analogue signal that sensor measurement goes out by the microprocessor samples in three-component electronic compass 1 and is converted to
After digital signal, by cable transmission to panel 2.Attitude angle digital signal is processed, analyzes and stores by panel 2
After, shown in real time to display 3 by cable transmission.
In a particular embodiment, seeing Fig. 5, the protection circuit of power panel 4 uses the two grades of intrinsic safety types meeting 2B standard to protect
Protection circuit carries out overcurrent protection.In current foldback circuit, control electrical switch MCR100-8 with the 8 foot output+IN1 of MAX471 and lead to
Disconnected.
IN1=I*0.7V*2.4*1000/R23；
R23 is regulation resistance, and I is electric power outputting current；When electric current is more than 1A ,+IN1 voltage exceedes electrical switch conducting
Voltage, electrical switch turns on, and the switch input of field effect transistor IRF7404 controls end 4 and becomes high level, and field effect transistor is closed, and blocks
Voltage inputs.According to peace mark code, in protectiveness circuit, for flimsy element, such as transistor unit, assembly and by it
The protectiveness circuit of composition and capacitor etc. must arrange dual.Under ensureing to nonserviceable, the most protected circuit works,
Intrinsic safety performance with holding circuit.System is " 2b " level, and the intrinsically safe circuit for " ib " grade must be protected at least provided with two sets simultaneously
Protection circuit, because of " ib " grade intrinsically safe circuit, need only consider that a fault, a set of protection circuit are damaged, the most a set of protection simultaneously
Circuit continues to shield.Therefore system arranges dual-electrode protecting circuit.
Above-mentioned detailed description of the invention is the preferred embodiments of the present invention, can not limit the claim of the present invention
System, other any change made without departing from technical scheme and equivalent replacement mode, it is included in the present invention
Protection domain within.
Claims (3)
1. mine intrinsic safety type transient electromagnetic antenna attitude angle measuring system, including three-dimensional electronic compass (1), panel (2), display
Device (3) and power panel (4)；It is characterized in that:
Described three-dimensional electronic compass is provided with Three-component accelerometer and geomagnetic sensor in (1)；Described three-dimensional electronic sieve
Dish (1) is for by Three-component accelerometer and geomagnetic sensor, to the azimuth of intrinsic safety type transient electromagnetic antenna with bow
The elevation angle measures, by measurement to analogue signal be converted into digital signal and be sent to panel (2)；
Described panel (2) controls three-dimensional electronic compass and measures azimuth and the angle of pitch of transient electromagnetic antenna, simultaneously to three
The measurement data that dimension electronic compass (1) sends stores and processes；Obtain azimuth and the angle of pitch of transient electromagnetic antenna；
Described display (3) is for showing azimuth and the pitch angle data of transient electromagnetic antenna；
Described power panel (4), for providing supply voltage for circuit system, carries out safety protection to circuit system simultaneously.
Mine intrinsic safety type transient electromagnetic antenna attitude angle measuring system the most according to claim 1, it is characterised in that: described
Panel (2) includes reset circuit (6), three-component electronic compass interface circuit (7), single chip machine controlling circuit (8), sequencing contro
Circuit (9) and LCD interface circuit (10)；Described three-component electronic compass (1) is connected with three-component electronic compass interface circuit (7)
Carry out duplex communication, azimuth that three-component electronic compass is transmitted by three-component electronic compass interface circuit (7) and pitching
The digital data transmission at angle is to single chip machine controlling circuit (8)；The single chip machine controlling circuit 8 digital signal to receiving carry out process and
Storage, and carry out point-to-point being connected with sequential control circuit (9)；Sequential control circuit (9) carries out sequencing contro to display (3)
Transmit with data；Sequential control circuit (9) and LCD interface (10) carry out point-to-point connection；LCD interface circuit (10) will process
The azimuth of transient electromagnetic antenna and angle of pitch signal be transferred to display (3) and show in real time；Reset circuit (6) will be single
Sheet machine reset signal is sent to single chip machine controlling circuit (8)；Meanwhile, after antenna initial angle sets, reset circuit is by appearance
State angle initial angle arranges signal and is sent to single chip machine controlling circuit (8).
3. utilize the mine intrinsic safety type transient electromagnetic antenna attitude angle measuring system described in claim 1 or 2 to measure transient electromagnetic
The method at antenna attitude angle, it is characterised in that: comprise the steps:
The first step: open down-hole transient electromagnetic antenna attitude and measure system power supply；
Second step: panel sends measurement instruction from trend three-dimensional electronic compass,
3rd step: three axle gravitational accelerometer in three-dimensional electronic compass measure the angle of pitch that transient electromagnetic antenna is current, three-dimensional
Geomagnetic sensor in electronic compass measures the azimuth that transient electromagnetic antenna is current, the simulation that measurement is arrived by three-dimensional electronic compass
Signal is converted into digital signal and is sent to panel (2), and this azimuth and angle of pitch information are processed and store by panel
After, it being then forwarded to display, present orientation angle and the angle of pitch are shown by display；
4th step: the inceptive direction specified by tested rotating platform to transient electromagnetic detecting, utilizes the earth magnetism in three-dimensional electronic compass to pass
Sensor measures the azimuth of transient electromagnetic antenna inceptive direction, and by measurement to analogue signal be converted into digital signal and be sent to
Panel (2), panel (2) record azimuth this moment is initial orientation angle；
5th step: by transient electromagnetic tested rotating platform to detection assigned direction, three axle gravitational accelerometer in three-dimensional electronic compass
Measuring the angle of pitch that transient electromagnetic antenna is current, it is current that the geomagnetic sensor in three-dimensional electronic compass measures transient electromagnetic antenna
Azimuth, three-dimensional electronic compass by measurement to analogue signal be converted into digital signal and be sent to panel (2), panel (2)
The azimuth this moment recorded is deducted initial orientation angle, then obtains the azimuth of the transient electromagnetic antenna of this detection assigned direction,
Transient electromagnetic antenna after the azimuth of detection assigned direction and the angle of pitch store, is then forwarded to display by panel (2)
Device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610737781.1A CN106225763B (en) | 2016-08-26 | 2016-08-26 | Mine intrinsic safety type transient electromagnetic antenna attitude angle measurement system and method |
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| CN201610737781.1A CN106225763B (en) | 2016-08-26 | 2016-08-26 | Mine intrinsic safety type transient electromagnetic antenna attitude angle measurement system and method |
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| CN106225763B CN106225763B (en) | 2018-09-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109582045A (en) * | 2019-01-08 | 2019-04-05 | 北京慧清科技有限公司 | The Initial Alignment Method of antenna when a kind of carrier inclined |
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| CN106225763B (en) | 2018-09-11 |
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